Added RecipientsActivity and set layout with ListView.
Added Inent to the onActivityResult of the MainActivity to lauch RecipientsActivity.
added break to the switch statement in onItemSelected in MainActivity to prevent Camera dialog from opening no matter what is selected.
Deleted menu layout files for signup and login activities.
Added send button to RecipientsActivity 's action menu.
Added ability to show and hide send button depending on checked friends.